2 - (Used as Noun) To see is to believe. I plan to study abroad next year. He told Rick not to think too much. I find it necessary to be on good terms.

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不定詞的功能 - 當名詞 (Used as Noun)

To see is to believe. I plan to study abroad next year. He told Rick not to think too much. I find it necessary to be on good terms with

teachers. It is sometimes very difficult to tell right

from wrong.

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不定詞的功能 - 當形容詞 (Used as Adj.)

In a democratic country, every citizen has a right to vote.

Poor Eddie doesn't have any friend to play with.

Tom has a car to drive.

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不定詞的功能 - 當副詞 (Used as Adv.)

I came here to see you. The test is hard to pass. Linda was surprised to see me at the

wedding. He studied hard only to fail the exam. To do him justice, he did quite an

outstanding job.

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何時使用不定詞？ try afford like decide love desire meanattempt + to V hope expect want endeavor wish pretend

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何時使用不定詞？ - 例句 I am terribly sorry, I didn't mean to hurt

you. I expect to finish my master's degree

within two years, and , if possible, I would like to pursue a doctoral degree.

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不定詞的功能 - 感官及使役動詞還原 感官動詞及使役動詞後接原形動詞，其實是不

定詞省略 to的結果，因此若改成被動語態時，則 to須還原。see, hear, feel, watch, notice, observemake, have, let (have, let 無被動 )

They made the land owner sign the contract.→The landlord was made to sign the contract.

I heard Tom sing a Japanese song.→ Tom was heard to sing a Japanese song.

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不定詞的用法 aim function goal intention of + N. + is + to V reason objective purpose →The purpose of this book is to help students with their

grammatical problems in Spanish→The objective of this workshop is to facilitate students’

learning with computer.

The

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不定詞的用法 due ready apt likely able doomed glad anxious + to V eager inclined boundprepared

→Once you get confused with defeat and failure, you are doomed to fail.

be

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不定詞的用法 first second next + N. + to V last only →Jackie Robins was the first black American to play baseball

in the major leagues.→Timmy will be the next one to present his project about

child education.

the

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不定詞的用法 to be sure to be frank/honest to begin/start with to do one justice 為獨立不定詞片語，相當於 Adv. strange to say needless to say

→Needless to say, actions speak louder than words.

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不定詞的用法 人格特質形容詞 +of It is + to V 事物特質形容詞 +for

nice, kind, rude, stupid, foolish, polite, generous人格特質形容詞，修飾人。

impossible, necessary, important, pleasant事物特質形容詞，修飾事。

→It’s stupid of you to turn down the offer.→It’s necessary for you to come to the meeting on

time.

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